Fixed issue #553. Tape.exe crash. Issue with the Search field.

(grafted from c4cc1aca74cb29d3fb57cd0718ec282b3dd0dc7b)

--HG--
branch : develop

ChangeLog.txt

@@ -59,6 +59,7 @@
 - [#543] Detail loses details.
 - [#548] Bug Detail tool. Case when seam allowance is wrong.
 - Called the main app in console mode doesn't show opening file error in some cases.
+- [#553] Tape.exe crash. Issue with the Search field. 
 
 # Version 0.4.4 April 12, 2016
 - Updated measurement templates with all measurements. Added new template Aldrich/Women measurements.

src/libs/vmisc/vtablesearch.cpp

@@ -49,7 +49,11 @@ void VTableSearch::Clear()
 {
     SCASSERT(table != nullptr);
 
-    foreach(QTableWidgetItem *item, searchList)
+    for(int i = 0; i < table->rowCount(); ++i)
+    {
+        for(int j = 0; j < table->columnCount(); ++j)
+        {
+            if (QTableWidgetItem *item = table->item(i, j))
             {
                 if (item->row() % 2 != 0 && table->alternatingRowColors())
                 {
@@ -60,6 +64,10 @@ void VTableSearch::Clear()
                     item->setBackground(QPalette().base());
                 }
             }
+        }
+    }
+
+    searchList.clear();
     searchIndex = -1;
 }
 
@@ -87,17 +95,14 @@ void VTableSearch::Find(const QString &term)
 {
     SCASSERT(table != nullptr);
 
-    const QList<QTableWidgetItem *> list = table->findItems(term, Qt::MatchContains);
-
-    if (list.isEmpty() || term.isEmpty())
-    {
-        Clear();
-    }
-    else
-    {
     Clear();
 
-        searchList = list;
+    if (not term.isEmpty())
+    {
+        searchList = table->findItems(term, Qt::MatchContains);
+
+        if (not searchList.isEmpty())
+        {
             foreach(QTableWidgetItem *item, searchList)
             {
                 item->setBackground(Qt::yellow);
@@ -109,6 +114,7 @@ void VTableSearch::Find(const QString &term)
             table->scrollToItem(item);
         }
     }
+}
 
 //---------------------------------------------------------------------------------------------------------------------
 void VTableSearch::FindPrevious()